GB8605592D0 - Automatic power factor correction - Google Patents

Automatic power factor correction

Info

Publication number
GB8605592D0
GB8605592D0 GB868605592A GB8605592A GB8605592D0 GB 8605592 D0 GB8605592 D0 GB 8605592D0 GB 868605592 A GB868605592 A GB 868605592A GB 8605592 A GB8605592 A GB 8605592A GB 8605592 D0 GB8605592 D0 GB 8605592D0
Authority
GB
United Kingdom
Prior art keywords
power factor
factor correction
automatic power
automatic
correction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB868605592A
Other versions
GB2172417B (en
GB2172417A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kollmorgen Technologies Corp
Original Assignee
Kollmorgen Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kollmorgen Technologies Corp filed Critical Kollmorgen Technologies Corp
Publication of GB8605592D0 publication Critical patent/GB8605592D0/en
Publication of GB2172417A publication Critical patent/GB2172417A/en
Application granted granted Critical
Publication of GB2172417B publication Critical patent/GB2172417B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
    • H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
    • H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/10—Flexible AC transmission systems [FACTS]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S323/00—Electricity: power supply or regulation systems
    • Y10S323/91—Two of three phases regulated

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electrical Variables (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
GB08605592A 1985-03-13 1986-03-06 Transient free solid state automatic power factor correction Expired GB2172417B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/711,170 US4645997A (en) 1985-03-13 1985-03-13 Transient free solid state automatic power factor correction

Publications (3)

Publication Number Publication Date
GB8605592D0 true GB8605592D0 (en) 1986-04-09
GB2172417A GB2172417A (en) 1986-09-17
GB2172417B GB2172417B (en) 1988-10-05

Family

ID=24857033

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08605592A Expired GB2172417B (en) 1985-03-13 1986-03-06 Transient free solid state automatic power factor correction

Country Status (6)

Country Link
US (1) US4645997A (en)
EP (1) EP0194574B1 (en)
JP (1) JPS61253519A (en)
KR (1) KR860007765A (en)
DE (2) DE3686825D1 (en)
GB (1) GB2172417B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62224814A (en) * 1986-03-26 1987-10-02 Toshiba Corp Control device for reactive power compensator
JPS63163514U (en) * 1987-04-13 1988-10-25
FR2646297B1 (en) * 1989-04-21 1995-01-13 Caen Claude METHOD FOR CONTROLLING SWITCHES FOR SUPPLYING THE WHOLE WAVES OF A THREE-PHASE CIRCUIT
US5180963A (en) * 1990-06-22 1993-01-19 Board Of Regents Of The University Of Washington Optically triggered high voltage switch network and method for switching a high voltage
US5134356A (en) * 1990-06-22 1992-07-28 Board Of Regents Of The University Of Washington Reactive power compensator
US5072187A (en) * 1990-06-29 1991-12-10 Digital Equipment Corporation Method and apparatus for determining the total harmonic distortion and power factor of a non-linear load circuit
ATE141422T1 (en) * 1991-03-07 1996-08-15 Univ Washington REACTIVE POWER COMPENSATOR
EP0881758B1 (en) * 1994-04-08 2004-06-23 Vlt Corporation Efficient power conversion
DE4436593A1 (en) * 1994-10-13 1996-04-25 Mueller & Weigert Procedure for determining a compensation capacity
DE4446864C2 (en) * 1994-12-27 1996-10-24 Siemens Ag Shutdown procedure for a three-phase reactive power controller with two thyristor switches
US5619405A (en) * 1995-12-21 1997-04-08 Reltec Corporation Variable bandwith control for power factor correction
US5847942A (en) * 1996-05-30 1998-12-08 Unitrode Corporation Controller for isolated boost converter with improved detection of RMS input voltage for distortion reduction and having load-dependent overlap conduction delay of shunt MOSFET
US5661645A (en) 1996-06-27 1997-08-26 Hochstein; Peter A. Power supply for light emitting diode array
US5927598A (en) * 1997-04-23 1999-07-27 Wexl Energy management method and apparatus
US6150771A (en) * 1997-06-11 2000-11-21 Precision Solar Controls Inc. Circuit for interfacing between a conventional traffic signal conflict monitor and light emitting diodes replacing a conventional incandescent bulb in the signal
ES2152889B1 (en) * 1999-03-30 2001-08-16 I D De Desarrollo De Circuitos DEVICE FOR CONNECTION OF CONDENSERS TO AC CURRENT NETWORKS.
US6121758A (en) * 1999-06-23 2000-09-19 Daq Electronics, Inc. Adaptive synchronous capacitor switch controller
US6181113B1 (en) 1999-07-29 2001-01-30 Abb Power T&D Company Inc. Harmonic resonance control and protection system for switched power factor control capacitor devices
US7002321B2 (en) * 2001-06-05 2006-02-21 Mcdaniel William D Automatic power factor correction using power measurement chip
US9093833B1 (en) * 2008-12-05 2015-07-28 Power Factor Correction Llc Power factor correction apparatus for appliances having inductive loads
US8164314B2 (en) * 2009-05-07 2012-04-24 Toyota Motor Engineering & Manufacturing North America, Inc. Distributed capacitor bank controllers and methods thereof
US8922175B2 (en) 2011-03-31 2014-12-30 General Electric Company System and method for operating capacitor banks
US9698600B2 (en) * 2011-11-03 2017-07-04 Hubbell Incorporated Control system for synchronous capacitor switch
FR3029024B1 (en) * 2014-11-21 2018-10-12 Evtronic METHOD FOR OPTIMIZING THE SUPPLYING ELECTRIC ENERGY SUPPLIED BY AN AUXILIARY SOURCE
WO2019164425A1 (en) 2018-02-21 2019-08-29 Telefonaktiebolaget Lm Ericsson (Publ) Reactive power control in power systems
GB2576715B (en) * 2018-08-24 2022-06-15 Energy Facilities Uk Ltd Capacitive unit for local power factor correction and system comprising multiple capacitive units

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH429920A (en) * 1965-02-19 1967-02-15 Bbc Brown Boveri & Cie Installation on an induction annealing or melting plant for reactive power compensation
US3701013A (en) * 1971-03-18 1972-10-24 Allis Chalmers Mfg Co Power factor relay
US3754184A (en) * 1972-06-21 1973-08-21 Harnischfeger Corp Reactive power compensation control system
US4055795A (en) * 1976-07-15 1977-10-25 H.O.P. Consulab Inc. Correction system for regulating the power factor of an electrical network
DE2811751C2 (en) * 1978-03-17 1983-02-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Electronic switch for switching a power capacitor on and off
US4356440A (en) * 1980-09-18 1982-10-26 The Charles Stark Draper Laboratory, Inc. Power factor correction system
US4365190A (en) * 1981-03-19 1982-12-21 Asi Systems, Inc. Automatic var controller
US4348631A (en) * 1981-06-04 1982-09-07 Westinghouse Electric Corp. Static VAR generator

Also Published As

Publication number Publication date
GB2172417B (en) 1988-10-05
DE3608704C2 (en) 1993-03-18
DE3608704A1 (en) 1986-11-27
US4645997A (en) 1987-02-24
KR860007765A (en) 1986-10-17
DE3686825D1 (en) 1992-11-05
EP0194574B1 (en) 1992-09-30
JPS61253519A (en) 1986-11-11
EP0194574A3 (en) 1988-06-01
EP0194574A2 (en) 1986-09-17
GB2172417A (en) 1986-09-17

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930306